import java.security.AccessControlContext;
import java.security.ProtectionDomain;

/**
 * @author acoffee
 * @create 2021-11-15 10:01
 */
public class user {
    public static void main(String[] args) {
        Thread thread = new Thread(new Runnable() {
            @Override
            public void run() {

            }
        });
    }
}
